Classic Metal Crossbar Spring Loaded Hinges Square Lens Aviator Sunglasses 55mm Metal frame Composite lens Non-Polarized Lens width: 55 millimeters Lens height: 42 millimeters Bridge: 18 millimeters Arm: 140 millimeters Classic Inspired Frame Full Metal Aviator Design Sleek Metal Crossbar Neutral-Colored Square Lens 30 DAY MONEY BACK GUARANTEE AND 90 DAY LIMITED WARRANTY AGAINST MANUFACTURER DEFECTS: Our main goal is make our customers happy and provide the best shopping experience; If you are not completely satisfied with our product or your purchase please contact us, we'll be happy to help